A Sandia National Laboratories technology has been used to remove radioactive material from more than 43 million gallons of contaminated wastewater at Japan's damaged Fukushima Daiichi nuclear power plant.

The European Space Agency launched its third Automated Transfer Vehicle (ATV-3) today at 1:34 p.m. local time (12:34 a.m. EDT/4:34 GMT) from the Kourou launch site in French Guiana aboard an Ariane 5 rocket.

The official ceremony marking ESAâ€™s handover of the Soyuz launch site to Arianespace took place today at Europeâ€™s Spaceport in French Guiana, after the site was declared ready for the first flight and the completion of a simulated launch campaign.

Europe is set to add two new types of rocket to its launch fleet in French Guiana, in a move that is being hailed as a space â€œrevolution,â€ European Space Agency (ESA) head Jean-Jacques Dordain said Friday.

A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.